/* ==========================================================================
   Local Hour — sistema visivo
   Palette e tipografia condivise con le due app (generatore + mappa),
   così il libro, il sito e gli strumenti sembrano la stessa cosa.
   ========================================================================== */

:root{
  --paper:#EFF1ED; --paper-2:#E5E9E3; --paper-3:#DCE1D8; --card:#FAFBF9;
  --ink:#161A18; --ink-2:#4E5852; --ink-3:#7C877F;
  --rule:#CBD2C9; --rule-2:#DDE2DA;
  --seal:#A93325; --seal-deep:#8A2419; --seal-soft:#F0DEDA;
  --jade:#2C6A5B; --jade-soft:#DCE8E3;
  --deep:#12160F; --deep-ink:#EDEFE7;

  --shadow-1:0 1px 2px rgba(22,26,24,.06), 0 8px 24px -12px rgba(22,26,24,.18);
  --shadow-2:0 2px 4px rgba(22,26,24,.06), 0 24px 60px -24px rgba(22,26,24,.34);
  --shadow-book:24px 34px 70px -28px rgba(22,26,24,.55);

  --r:12px; --r-lg:18px;
  --serif:Spectral,"Iowan Old Style",Georgia,"Times New Roman",serif;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --pad:clamp(1.15rem, 4vw, 3.5rem);
  --gap-s:clamp(2.5rem, 6vw, 4.5rem);
  --gap:clamp(3.6rem, 8.5vw, 7rem);
  --maxw:78rem;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#121513; --paper-2:#1A1E1B; --paper-3:#222724; --card:#1B201D;
    --ink:#E9EDE8; --ink-2:#A6B0A8; --ink-3:#78837A;
    --rule:#2E352F; --rule-2:#252B26;
    --seal:#DE7263; --seal-deep:#B44E40; --seal-soft:#3A2320;
    --jade:#63B49E; --jade-soft:#1D2E29;
    --deep:#0B0E0C; --deep-ink:#E9EDE8;
    --shadow-1:0 1px 2px rgba(0,0,0,.4), 0 10px 28px -14px rgba(0,0,0,.7);
    --shadow-2:0 2px 6px rgba(0,0,0,.5), 0 30px 70px -30px rgba(0,0,0,.9);
    --shadow-book:24px 34px 80px -30px rgba(0,0,0,.85);
  }
}
:root[data-theme="dark"]{
  --paper:#121513; --paper-2:#1A1E1B; --paper-3:#222724; --card:#1B201D;
  --ink:#E9EDE8; --ink-2:#A6B0A8; --ink-3:#78837A;
  --rule:#2E352F; --rule-2:#252B26;
  --seal:#DE7263; --seal-deep:#B44E40; --seal-soft:#3A2320;
  --jade:#63B49E; --jade-soft:#1D2E29;
  --deep:#0B0E0C; --deep-ink:#E9EDE8;
  --shadow-1:0 1px 2px rgba(0,0,0,.4), 0 10px 28px -14px rgba(0,0,0,.7);
  --shadow-2:0 2px 6px rgba(0,0,0,.5), 0 30px 70px -30px rgba(0,0,0,.9);
  --shadow-book:24px 34px 80px -30px rgba(0,0,0,.85);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }

body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:1rem;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* grana di carta, sopra tutto ma inerte */
body::after{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
:root[data-theme="dark"] body::after{mix-blend-mode:screen;opacity:.16}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) body::after{mix-blend-mode:screen;opacity:.16}
}

h1,h2,h3,h4{font-family:var(--serif);margin:0;text-wrap:balance;font-weight:800;letter-spacing:-.022em;line-height:1.03}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
svg{display:block;max-width:100%}
::selection{background:var(--seal);color:#fff}

:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:3px}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:var(--paper);
  padding:.7rem 1.1rem;border-radius:0 0 var(--r) 0}
.skip:focus{left:0}

/* --------------------------------------------------------------- atomi --- */
.kicker{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-3);display:flex;align-items:center;gap:.7rem;font-weight:500;
}
.kicker::before{content:"";width:1.6rem;height:1px;background:var(--seal);flex:0 0 auto}
.kicker--plain::before{display:none}

.lead{color:var(--ink-2);font-size:clamp(1.02rem,1.6vw,1.18rem);line-height:1.6;max-width:44ch}

.btn{
  --btn-bg:var(--ink);--btn-fg:var(--paper);
  display:inline-flex;align-items:center;gap:.6rem;padding:.82rem 1.4rem;border:1px solid var(--btn-bg);
  background:var(--btn-bg);color:var(--btn-fg);border-radius:999px;font-size:.94rem;font-weight:600;
  font-family:var(--sans);cursor:pointer;transition:transform .16s cubic-bezier(.2,.7,.3,1),box-shadow .16s,filter .16s;
  box-shadow:var(--shadow-1);white-space:nowrap;line-height:1.2;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);filter:brightness(1.06)}
.btn:active{transform:translateY(0)}
.btn--seal{--btn-bg:var(--seal);--btn-fg:#fff}
:root[data-theme="dark"] .btn--seal{--btn-fg:#1a0f0d}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .btn--seal{--btn-fg:#1a0f0d}}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--ink);border-color:var(--rule);box-shadow:none}
.btn--ghost:hover{border-color:var(--ink);box-shadow:var(--shadow-1)}
.btn .arw{transition:transform .2s}
.btn:hover .arw{transform:translateX(3px)}
.btn[disabled],.btn.is-soft{opacity:.55;cursor:default;pointer-events:none;box-shadow:none}

.tag{
  display:inline-flex;align-items:center;gap:.45rem;padding:.3rem .7rem;border-radius:999px;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--rule);color:var(--ink-3);background:var(--card);
}
.tag--jade{color:var(--jade);border-color:color-mix(in srgb,var(--jade) 40%,transparent);background:var(--jade-soft)}
.tag--seal{color:var(--seal);border-color:color-mix(in srgb,var(--seal) 40%,transparent);background:var(--seal-soft)}
.tag .dot{width:.4rem;height:.4rem;border-radius:50%;background:currentColor}

/* il sigillo del marchio */
.seal{
  width:1.85rem;height:1.85rem;flex:0 0 auto;border-radius:4px;position:relative;
  background:linear-gradient(150deg,var(--seal),var(--seal-deep));
  display:grid;place-items:center;color:#fff;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22), 0 1px 3px rgba(0,0,0,.25);
}
.seal svg{width:64%;height:64%}
:root[data-theme="dark"] .seal{color:#12100f}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .seal{color:#12100f}}

/* ------------------------------------------------------------ progresso --- */
.progress{position:fixed;top:0;left:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--seal),var(--jade));z-index:120;pointer-events:none}

/* ---------------------------------------------------------------- testa --- */
.site-head{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--paper) 82%,transparent);
  backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);
  border-bottom:1px solid transparent;transition:border-color .25s,background .25s;
}
.site-head.is-stuck{border-bottom-color:var(--rule)}
.head-in{display:flex;align-items:center;gap:1rem;height:4.1rem;max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.brand{display:flex;align-items:center;gap:.65rem;margin-right:auto}
.brand-name{font-family:var(--sans);font-weight:600;font-size:.82rem;letter-spacing:.19em;text-transform:uppercase}
.brand-name em{font-style:normal;color:var(--ink-3)}
.nav{display:flex;align-items:center;gap:.2rem}
.nav a{padding:.5rem .8rem;border-radius:999px;font-size:.9rem;color:var(--ink-2);transition:color .15s,background .15s}
.nav a:hover{color:var(--ink);background:var(--paper-2)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600}
.head-tools{display:flex;align-items:center;gap:.45rem;margin-left:.5rem}

.icon-btn{
  width:2.2rem;height:2.2rem;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--rule);background:var(--card);color:var(--ink-2);cursor:pointer;
  transition:border-color .15s,color .15s,transform .15s;padding:0;
}
.icon-btn:hover{border-color:var(--ink-3);color:var(--ink)}
.icon-btn svg{width:1rem;height:1rem}
.icon-btn .moon{display:none}
:root[data-theme="dark"] .icon-btn .moon{display:block}
:root[data-theme="dark"] .icon-btn .sun{display:none}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) .icon-btn .moon{display:block}
  :root:not([data-theme="light"]) .icon-btn .sun{display:none}
}

/* selettore lingua */
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:.4rem;height:2.2rem;padding:0 .7rem;border-radius:999px;
  border:1px solid var(--rule);background:var(--card);color:var(--ink-2);cursor:pointer;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;transition:border-color .15s,color .15s}
.lang-btn:hover{border-color:var(--ink-3);color:var(--ink)}
.lang-btn svg{width:.6rem;height:.6rem;opacity:.6;transition:transform .2s}
.lang[data-open="1"] .lang-btn svg{transform:rotate(180deg)}
.lang-menu{
  position:absolute;right:0;top:calc(100% + .5rem);min-width:11rem;padding:.35rem;
  background:var(--card);border:1px solid var(--rule);border-radius:var(--r);box-shadow:var(--shadow-2);
  display:none;flex-direction:column;z-index:20;
}
.lang[data-open="1"] .lang-menu{display:flex}
.lang-menu a{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem .7rem;
  border-radius:8px;font-size:.9rem;color:var(--ink-2);transition:background .13s,color .13s}
.lang-menu a:hover{background:var(--paper-2);color:var(--ink)}
.lang-menu a[aria-current="true"]{color:var(--ink);font-weight:600}
.lang-menu code{font-family:var(--mono);font-size:.68rem;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase}

.burger{display:none}
@media (max-width:860px){
  .nav{display:none}
  .burger{display:grid}
  .nav.is-open{
    display:flex;position:fixed;inset:4.1rem 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--rule);padding:.6rem var(--pad) 1.2rem;
    box-shadow:var(--shadow-2);
  }
  .nav.is-open a{padding:.85rem .2rem;font-size:1.05rem;border-bottom:1px solid var(--rule-2)}
}

/* ----------------------------------------------------------------- hero --- */
.hero{position:relative;overflow:hidden;padding-block:clamp(3rem,7vw,6rem) 0;isolation:isolate}
.hero-bg{position:absolute;inset:-10% -10% 0;z-index:-1;pointer-events:none;overflow:hidden}
.hero-bg .contours{
  position:absolute;top:50%;left:50%;width:min(150vw,1900px);height:auto;
  transform:translate(-50%,-50%) scale(1.06);opacity:.32;color:var(--ink-3);
}
:root[data-theme="dark"] .hero-bg .contours{opacity:.34}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .hero-bg .contours{opacity:.34}}
/* le curve si disegnano una volta al caricamento */
.contour-lines path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.6s cubic-bezier(.3,.8,.4,1) forwards;
  animation-delay:calc(var(--i,0) * 90ms)}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion: reduce){.contour-lines path{animation:none;stroke-dashoffset:0}}
.hero-bg .glow{
  position:absolute;width:52rem;height:52rem;border-radius:50%;filter:blur(90px);opacity:.18;
  background:radial-gradient(circle,var(--seal),transparent 62%);
  top:-18rem;right:-14rem;
}
.hero-bg .glow2{
  position:absolute;width:44rem;height:44rem;border-radius:50%;filter:blur(100px);opacity:.16;
  background:radial-gradient(circle,var(--jade),transparent 62%);
  bottom:-22rem;left:-16rem;
}

.hero-head{padding-bottom:clamp(1.8rem,4vw,3rem)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.78fr);gap:clamp(2rem,5vw,4rem);align-items:start}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:2.5rem}}
.hero-col{padding-top:.4rem}

.hero h1{
  font-size:clamp(2.05rem,8.1vw,6.2rem);line-height:.95;margin:1.3rem 0 0;letter-spacing:-.035em;
  text-wrap:balance;
}
.hero h1 span{display:block}
@media (max-width:620px){.hero h1 span{display:inline}}
.hero h1 .em{
  position:relative;display:inline-block;color:var(--seal);font-style:italic;font-weight:800;
  padding-inline:.06em;
}
.hero h1 .em::after{
  content:"";position:absolute;left:0;right:0;bottom:.1em;height:.09em;background:var(--seal);
  transform:scaleX(0);transform-origin:0 50%;animation:swipe 1s .55s cubic-bezier(.2,.8,.2,1) forwards;opacity:.35;
}
@keyframes swipe{to{transform:scaleX(1)}}
.hero .lead{margin-top:clamp(1.3rem,2.4vw,1.9rem);font-size:clamp(1.03rem,1.5vw,1.16rem);max-width:40ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:clamp(1.6rem,3vw,2.4rem)}

/* orologio dell'ora locale */
.clock{
  margin-top:clamp(2.2rem,4vw,3.4rem);border-top:1px solid var(--rule);padding-top:1.1rem;
  display:grid;grid-template-columns:auto auto 1fr;gap:clamp(1rem,2.4vw,1.9rem);align-items:center;max-width:40rem;
}
.clock-cell dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.25rem}
.clock-cell dd{margin:0;font-family:var(--mono);font-size:clamp(1.5rem,3vw,2rem);font-weight:500;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.clock-cell dd .s{font-size:.55em;color:var(--ink-3)}
.clock-cell--there dd{color:var(--seal)}
.clock-arc{position:relative;justify-self:end;width:100%;min-width:8.5rem;max-width:13rem}
.clock-arc .tick{stroke:var(--ink-3);stroke-width:1.4;opacity:.45}
.clock-arc .lbl{font-family:var(--mono);font-size:7px;fill:var(--ink-3);letter-spacing:.08em}
.clock-arc svg{width:100%;height:auto;overflow:visible}
.clock-arc .track{fill:none;stroke:var(--ink-3);stroke-width:1.4;opacity:.5}
.clock-arc .night{fill:none;stroke:var(--ink-3);stroke-width:1.4;opacity:.3}
.clock-arc .sun{fill:var(--seal)}
.clock-note{font-size:.82rem;color:var(--ink-3);margin-top:.9rem;max-width:38ch;line-height:1.5}
@media (max-width:560px){
  .clock{grid-template-columns:1fr 1fr;gap:1.2rem}
  .clock-arc{grid-column:1/-1;justify-self:start;max-width:14rem}
}

/* il libro in 3D */
.book-stage{perspective:1500px;display:grid;place-items:center;padding:1rem}
.book{
  position:relative;width:min(23rem,72vw);aspect-ratio:1600/2400;transform-style:preserve-3d;
  transform:rotateY(-22deg) rotateX(6deg) rotateZ(-1deg);
  transition:transform .5s cubic-bezier(.2,.7,.3,1);will-change:transform;
}
.book-stage:hover .book{transition:transform .12s linear}
.book-face{position:absolute;inset:0;border-radius:3px 6px 6px 3px;overflow:hidden;
  box-shadow:var(--shadow-book);background:var(--paper-3)}
.book-face img{width:100%;height:100%;object-fit:cover}
.book-face::after{ /* luce di taglio sulla copertina */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,rgba(255,255,255,.34) 0%,rgba(255,255,255,.06) 12%,transparent 34%,rgba(0,0,0,.12) 100%);
}
.book-face::before{ /* piega vicino al dorso */
  content:"";position:absolute;left:0;top:0;bottom:0;width:5.5%;z-index:2;
  background:linear-gradient(90deg,rgba(0,0,0,.34),rgba(0,0,0,.06) 55%,rgba(255,255,255,.16));
}
.book-pages{
  position:absolute;top:1%;bottom:1%;right:0;width:3.2%;transform:translateX(99%) rotateY(88deg);
  transform-origin:left center;border-radius:2px;
  background:repeating-linear-gradient(90deg,#e9e6dc 0 1px,#cfcabb 1px 2px);
}
.book-shadow{
  position:absolute;left:6%;right:-4%;bottom:-5%;height:8%;border-radius:50%;
  background:radial-gradient(ellipse,rgba(22,26,24,.42),transparent 70%);filter:blur(14px);
  transform:translateZ(-60px);
}
.book-badge{
  position:absolute;z-index:4;right:-1.4rem;top:1.6rem;transform:translateZ(40px) rotate(6deg);
  background:var(--seal);color:#fff;border-radius:999px;padding:.42rem .85rem;
  font-family:var(--mono);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;
  box-shadow:0 8px 20px -8px rgba(0,0,0,.5);
}
:root[data-theme="dark"] .book-badge{color:#1a0f0d}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .book-badge{color:#1a0f0d}}

/* -------------------------------------------------------------- ticker --- */
.ticker{
  margin-top:clamp(3rem,6vw,5rem);border-block:1px solid var(--rule);background:var(--paper-2);
  overflow:hidden;position:relative;
}
.ticker::before,.ticker::after{content:"";position:absolute;top:0;bottom:0;width:5rem;z-index:2;pointer-events:none}
.ticker::before{left:0;background:linear-gradient(90deg,var(--paper-2),transparent)}
.ticker::after{right:0;background:linear-gradient(270deg,var(--paper-2),transparent)}
.ticker-track{display:flex;width:max-content;animation:slide 42s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.ticker-track span{
  display:flex;align-items:center;gap:1.1rem;padding:.85rem 1.1rem;white-space:nowrap;
  font-family:var(--mono);font-size:.73rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);
}
.ticker-track span::after{content:"";width:.32rem;height:.32rem;border-radius:50%;background:var(--seal);opacity:.8}

/* ------------------------------------------------------------- sezioni --- */
.sec{padding-block:var(--gap)}
.sec--tight{padding-block:var(--gap-s)}
.sec-head{max-width:52rem;margin-bottom:clamp(2.4rem,5vw,4rem)}
.sec-head h2{font-size:clamp(1.95rem,4.4vw,3.4rem);margin:1rem 0 0}
.sec-head .lead{margin-top:1.1rem}

/* --- il libro in evidenza --- */
.feature{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,5vw,4.5rem);
  align-items:center;
}
@media (max-width:900px){.feature{grid-template-columns:1fr}}
.feature-cover{position:relative}
.feature-cover img{width:100%;border-radius:4px 8px 8px 4px;box-shadow:var(--shadow-book);transform:rotate(-1.4deg)}
.feature h2{font-size:clamp(2.2rem,5vw,3.8rem);margin:.9rem 0 .2rem}
.feature .sub{font-family:var(--serif);font-size:clamp(1.05rem,2vw,1.35rem);color:var(--ink-2);font-style:italic;margin-bottom:1.3rem}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule);border-radius:var(--r);overflow:hidden;margin:1.8rem 0}
@media (max-width:520px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--card);padding:.9rem 1rem}
.stat dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3)}
.stat dd{margin:.25rem 0 0;font-family:var(--mono);font-size:clamp(1.35rem,3vw,1.7rem);font-weight:500;
  font-variant-numeric:tabular-nums;line-height:1}

.buy{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;margin-top:1.6rem}
.price{display:flex;flex-direction:column;gap:.1rem;padding-right:1.2rem;margin-right:.4rem;border-right:1px solid var(--rule)}
.price b{font-family:var(--mono);font-size:1.05rem;font-weight:500}
.price span{font-family:var(--mono);font-size:.63rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3)}
.verified{display:flex;gap:.6rem;align-items:flex-start;margin-top:1.5rem;font-size:.84rem;color:var(--ink-3);max-width:42ch}
.verified svg{width:1rem;height:1rem;flex:0 0 auto;margin-top:.18rem;color:var(--jade)}

.notice{
  margin-top:1.6rem;padding:.9rem 1.1rem;border-left:3px solid var(--jade);background:var(--jade-soft);
  border-radius:0 var(--r) var(--r) 0;font-size:.88rem;color:var(--ink-2);max-width:46ch;
}
.notice b{color:var(--ink);display:block;margin-bottom:.2rem;font-weight:600}

/* --- indice delle nove parti --- */
.index{border-top:1px solid var(--ink)}
.index-row{
  display:grid;grid-template-columns:4.5rem minmax(0,1fr) minmax(0,1.5fr);gap:clamp(.8rem,2.5vw,2rem);
  padding:clamp(1.1rem,2.2vw,1.7rem) 0;border-bottom:1px solid var(--rule);position:relative;
  transition:background .25s,padding-left .25s;
}
.index-row::before{
  content:"";position:absolute;left:0;top:-1px;height:2px;width:0;background:var(--seal);transition:width .45s cubic-bezier(.2,.8,.2,1);
}
.index-row:hover::before{width:100%}
.index-row:hover{padding-left:.7rem}
.index-row .n{font-family:var(--mono);font-size:.78rem;color:var(--seal);padding-top:.3rem;font-variant-numeric:tabular-nums;letter-spacing:.05em}
.index-row h3{font-size:clamp(1.15rem,2.4vw,1.6rem);font-weight:800}
.index-row p{color:var(--ink-2);font-size:.94rem;max-width:52ch}
@media (max-width:760px){
  .index-row{grid-template-columns:3rem 1fr;row-gap:.35rem}
  .index-row p{grid-column:2}
}

/* --- strumenti --- */
.tools-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1rem,2.5vw,1.8rem)}
@media (max-width:820px){.tools-grid{grid-template-columns:1fr}}
.tool{
  position:relative;display:flex;flex-direction:column;overflow:hidden;isolation:isolate;
  border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--card);
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s;
}
.tool:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--ink-3)}
.tool-vis{height:12.5rem;position:relative;overflow:hidden;background:var(--paper-2);border-bottom:1px solid var(--rule)}
.tool-vis svg{position:absolute;inset:0;width:100%;height:100%}
.tool-body{padding:clamp(1.2rem,2.5vw,1.8rem);display:flex;flex-direction:column;gap:.6rem;flex:1}
.tool-body h3{font-size:clamp(1.25rem,2.4vw,1.6rem)}
.tool-body .claim{font-family:var(--serif);font-style:italic;color:var(--seal);font-size:1rem}
.tool-body p{color:var(--ink-2);font-size:.93rem}
.tool-body .btn{margin-top:auto;align-self:flex-start}
.tool-tag{position:absolute;top:.9rem;left:.9rem;z-index:3}

/* --- metodo --- */
.method{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule);border-radius:var(--r-lg);overflow:hidden}
.method-item{background:var(--card);padding:clamp(1.3rem,2.6vw,2rem);display:flex;flex-direction:column;gap:.55rem;
  transition:background .25s}
.method-item:hover{background:var(--paper-2)}
.method-item .n{font-family:var(--mono);font-size:.68rem;letter-spacing:.15em;color:var(--seal)}
.method-item h3{font-size:1.12rem;letter-spacing:-.01em}
.method-item p{color:var(--ink-2);font-size:.9rem}

/* --- manifesto --- */
.manifesto{position:relative;background:var(--deep);color:var(--deep-ink);overflow:hidden;isolation:isolate}
.manifesto::before{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.55;
  background:radial-gradient(60rem 34rem at var(--mx,50%) var(--my,40%),rgba(169,51,37,.30),transparent 60%);
  transition:background .3s;
}
.manifesto::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.16;
  background-image:linear-gradient(var(--deep-ink) 1px,transparent 1px),linear-gradient(90deg,var(--deep-ink) 1px,transparent 1px);
  background-size:5.5rem 5.5rem;mask-image:radial-gradient(70% 60% at 50% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 50%,#000,transparent);
}
.manifesto .wrap{padding-block:clamp(5rem,12vw,9rem);text-align:center}
.manifesto blockquote{margin:0}
.manifesto q{
  font-family:var(--serif);font-size:clamp(1.9rem,5.6vw,4.2rem);line-height:1.06;font-weight:800;
  letter-spacing:-.03em;quotes:"“" "”" "‘" "’";display:block;max-width:20ch;margin:0 auto;
}
.manifesto cite{display:block;margin-top:1.8rem;font-style:normal;font-family:var(--mono);
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;opacity:.55}

/* --- faq --- */
.faq{border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{
  display:flex;align-items:flex-start;gap:1rem;padding:1.25rem 0;cursor:pointer;list-style:none;
  font-family:var(--serif);font-size:clamp(1.05rem,2.1vw,1.3rem);font-weight:600;transition:color .15s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--seal)}
.faq summary .pm{margin-left:auto;flex:0 0 auto;width:1.1rem;height:1.1rem;position:relative;margin-top:.35rem}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;background:var(--ink-3);border-radius:2px;transition:transform .25s}
.faq summary .pm::before{left:0;right:0;top:50%;height:1.5px;margin-top:-.75px}
.faq summary .pm::after{top:0;bottom:0;left:50%;width:1.5px;margin-left:-.75px}
.faq details[open] summary .pm::after{transform:scaleY(0)}
.faq details p{padding:0 3rem 1.4rem 0;color:var(--ink-2);max-width:62ch;font-size:.96rem}

/* --- richiamo finale --- */
.cta-band{border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--card);
  padding:clamp(1.8rem,4vw,3.4rem);display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center;
  box-shadow:var(--shadow-1)}
@media (max-width:760px){.cta-band{grid-template-columns:1fr}}
.cta-band h2{font-size:clamp(1.6rem,3.4vw,2.4rem);margin:.7rem 0 .6rem}
.cta-band p{color:var(--ink-2);max-width:52ch;font-size:.96rem}

/* -------------------------------------------------------------- footer --- */
.site-foot{border-top:1px solid var(--rule);background:var(--paper-2);margin-top:var(--gap-s)}
.foot-in{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:clamp(1.6rem,4vw,3rem);padding-block:clamp(3rem,6vw,4.5rem)}
@media (max-width:820px){.foot-in{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-in{grid-template-columns:1fr}}
.foot-brand p{color:var(--ink-3);font-size:.9rem;max-width:30ch;margin-top:1rem}
.foot-col h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);font-weight:500;margin-bottom:.9rem}
.foot-col a,.foot-col span{display:block;font-size:.92rem;color:var(--ink-2);padding:.22rem 0;transition:color .15s}
.foot-col a:hover{color:var(--seal)}
.foot-langs{display:flex;flex-wrap:wrap;gap:.4rem}
.foot-langs a{padding:.25rem .6rem;border:1px solid var(--rule);border-radius:999px;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.foot-langs a:hover{border-color:var(--seal);color:var(--seal)}
.foot-langs a[aria-current="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.foot-bot{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;align-items:center;
  border-top:1px solid var(--rule);padding-block:1.3rem;font-size:.8rem;color:var(--ink-3)}
.foot-bot .dom{font-family:var(--mono);letter-spacing:.06em;margin-left:auto}

/* ---------------------------------------------------------------- varie --- */
.page-head{padding-block:clamp(3.5rem,8vw,6rem) 0}
.page-head h1{font-size:clamp(2.4rem,6.4vw,4.6rem);margin:1.1rem 0 0}
.page-head .lead{margin-top:1.3rem}

.prose{max-width:38rem;display:flex;flex-direction:column;gap:clamp(2rem,4vw,3rem)}
.prose h2{font-size:clamp(1.4rem,2.8vw,1.9rem);margin-bottom:.7rem}
.prose p{color:var(--ink-2)}
.prose a{color:var(--jade);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

.specs{width:100%;border-collapse:collapse;font-size:.92rem}
.specs th,.specs td{text-align:left;padding:.75rem .2rem;border-bottom:1px solid var(--rule-2);vertical-align:top}
.specs th{font-family:var(--mono);font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-3);font-weight:500;width:14rem}
.specs td{color:var(--ink-2);font-variant-numeric:tabular-nums}
@media (max-width:600px){
  .specs tr{display:block;border-bottom:1px solid var(--rule-2)}
  .specs th,.specs td{display:block;width:auto;border-bottom:0}
  .specs th{padding:.7rem .2rem 0}
  .specs td{padding:.15rem .2rem .7rem}
}

.err{min-height:62vh;display:grid;place-content:center;text-align:center;gap:1.2rem;padding-block:5rem}
.err .code{font-family:var(--mono);font-size:clamp(4rem,16vw,10rem);line-height:1;color:var(--seal);opacity:.24;letter-spacing:-.04em}
.err h1{font-size:clamp(1.8rem,5vw,3rem)}
.err p{color:var(--ink-2);max-width:44ch;margin-inline:auto}
.err .btn{justify-self:center}

/* ------------------------------------------------------- rivelo scroll --- */
/* nascosto solo se il JavaScript c'è: senza, la pagina resta leggibile */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .75s cubic-bezier(.2,.7,.3,1),transform .75s cubic-bezier(.2,.7,.3,1)}
.js .rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.07s}.rv-d2{transition-delay:.14s}.rv-d3{transition-delay:.21s}.rv-d4{transition-delay:.28s}

@media (prefers-reduced-motion: reduce){
  .js .rv{opacity:1;transform:none;transition:none}
  .ticker-track{animation:none}
  .hero h1 .em::after{animation:none;transform:scaleX(1)}
  .book{transition:none}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important}
}

@media print{
  .site-head,.ticker,.progress,.site-foot,.hero-bg{display:none}
  body{background:#fff;color:#000}
}